John Paulson and Bill Ackman are two prominent names in modern hedge-fund investing. Paulson became internationally famous for his highly profitable bet against the U.S. housing market before the 2008 financial crisis, while Ackman built his reputation through concentrated and activist investments. Both founded major investment firms and built multibillion-dollar fortunes, but their careers, investment styles, education and public profiles have taken different paths.
John Paulson and Bill Ackman Quick Bio
| Category | John Paulson | Bill Ackman |
|---|---|---|
| Full Name | John Alfred Paulson | William Albert Ackman |
| Date of Birth | December 14, 1955 | May 11, 1966 |
| Net Worth | About $4 billion | About $9 billion |
| Age | 70 years | 60 years |
| Birthplace | Queens, New York, USA | Chappaqua, New York, USA |
| Nationality | American | American |
| Profession | Investor, Hedge-Fund Manager, Financier | Investor, Hedge-Fund Manager, Entrepreneur, Philanthropist |
| Known For | Founding Paulson & Co. and his famous 2007 subprime-mortgage trade | Founding Pershing Square Capital Management and activist investing |
| Company | Paulson & Co. | Pershing Square Capital Management |
| Career Start | Investment banking and financial markets | Investment management and financial markets |
| Investment Style | Macro-oriented and event-driven investing | Concentrated, research-driven activist investing |
| Most Famous Investment | Bet against subprime mortgages before the 2008 financial crisis | Major activist campaigns and high-profile positions in companies including Chipotle and other large businesses |
| Major Career Milestone | Made billions from the 2007 housing-market trade | Founded Pershing Square in 2004 |
| Education | New York University; Harvard Business School | Harvard College; Harvard Business School |
| Degree | MBA | Bachelor’s degree and MBA |
| Parents | Alfred G. Paulson and Jacqueline (Boklan) Paulson | Lawrence D. Ackman and Ronnie I. Posner Ackman |
| Siblings | Third of four children | Family details are relatively private |
| Marital Status | Separated from Jenny Paulson | Married to Neri Oxman |
| Children | Two daughters | Four children |
| Height | Not officially established | Approximately 6 ft 3 in (1.91 m) |
| Weight | Not publicly established | Not publicly established |
| Hair Color | Gray/white | Gray |
| Eye Color | Not consistently documented | Not consistently documented |
| Nickname | John / no widely established public nickname | Bill |
| Hobbies | Private; no definitive public list | Investing, philanthropy and public-interest activities |
| No verified personal account identified | No verified personal account identified | |
| Philanthropy | Active in charitable giving and philanthropy | Active through philanthropic initiatives and the Pershing Square Foundation |
| Public Image | Known primarily for his historic financial-crisis trade and hedge-fund career | Known for outspoken views, activist investing and high-profile investment campaigns |
| Current Career Focus | Investments and management of Paulson & Co. | Leading Pershing Square Capital Management |
| Investment Firm Assets | Paulson & Co. | Pershing Square manages roughly $30 billion according to a 2026 Forbes report |
| Financial Crisis Connection | One of the best-known investors to profit from the 2007–08 mortgage crisis | Became prominent through activist investing and major public investment positions |
| Overall Legacy | One of the most famous hedge-fund investors associated with the 2008 financial crisis | One of the most recognizable modern activist investors |
John Paulson and Bill Ackman Images
